Square Quartz Rod - Technical Specifications
High-purity fused silica square rods engineered for semiconductor processing, optical instrumentation, and high-temperature heating systems, featuring exceptional dimensional stability and UV transparency14.
Core Material Properties
Material Composition
Ultra-Pure Fused Quartz: SiO₂ ≥99.99% purity with metallic impurities <0.1 ppm13.
Thermal Resilience: Softening point 1,730°C; continuous operation up to 1,200°C37.
Optical Clarity: >90% UV transmission (190-400 nm) for photochemical applications14.
Physical Specifications
| Parameter | Value |
|---|
| Cross-Section | Square profile (5×5mm to 25×25mm)12 |
| Length Range | 50–3000 mm (customizable)26 |
| Surface Finish | Fire-polished (Ra ≤0.5μm) or precision-ground edges14 |
| Thermal Shock ΔT | ≥850°C (air-to-air)37 |
Key Features
Chemical Inertness: Resists HF, aqua regia, and organic solvents with ≤0.05 ppm ion leaching36.
Electrical Insulation: Dielectric strength 25 kV/cm for high-voltage environments4.
Custom Geometries: Available with chamfered edges, drilled holes, or frosted labeling zones26.
Primary Applications
Semiconductor Manufacturing: Wafer supports, diffusion furnace components14
Optical Systems: UV light guides, laser alignment fixtures47
Industrial Heating: Heating elements for CVD/PVD systems, molten salt reactors16
Customization Options
Coating Variants: Gold-plated tips for enhanced reflectivity4
Precision Tolerances: ±0.1 mm dimensional accuracy2
Bundled Accessories: Quartz mounting brackets, ISO-certified storage tubes6
⚠️ Critical Handling Protocols
Thermal Stress Control: Limit heating/cooling rates to ≤10°C/min above 600°C37.
Cleaning Procedure: Use SC1 solution (NH₄OH
₂O₂
₂O 1:1:5) or semiconductor-grade acetone36.
Storage: Maintain in nitrogen-purged containers to prevent surface contamination7.
Certified for ≤0.1% birefringence uniformity and RoHS/REACH compliance46.
